Water filter



FIG. 1 is a perspective view of a water filter showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings and all areas within them depict portions of the water filter that form no part of the claimed design. 

CLAIM The ornamental design for a water filter, as shown and described. 